Calcium tablets and vitamin D tablets, eating bananas (potassium), and whatever else the doctor tells you to take.

It is calcium and vitamin D tablets. Vitamin D is more important in older people during winter. Young people tend to be outdoors more and absorbing Vitamin D from sunlight. The calcium helps to maintain bone structure in young and old.

Nails need calcium and vitamin D and B to grow so take calcium tablets and tablets that promote bone health. You can also buy nail growth polish at the chemist.

Vitamins A , C and D. Calcium also helps

Vitamin D and Calcium